package com.ys.gulimall.member.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.ys.common.utils.HttpUtils;
import com.ys.gulimall.member.dao.MemberLevelDao;
import com.ys.gulimall.member.entity.MemberLevelEntity;
import com.ys.gulimall.member.exception.PhoneExistException;
import com.ys.gulimall.member.exception.UserNameExistException;
import com.ys.gulimall.member.vo.MemberLoginVo;
import com.ys.gulimall.member.vo.MemberRegisterVo;
import com.ys.gulimall.member.vo.SocialUser;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ys.common.utils.PageUtils;
import com.ys.common.utils.Query;

import com.ys.gulimall.member.dao.MemberDao;
import com.ys.gulimall.member.entity.MemberEntity;
import com.ys.gulimall.member.service.MemberService;

import javax.annotation.Resource;


@Service("memberService")
public class MemberServiceImpl extends ServiceImpl<MemberDao, MemberEntity> implements MemberService {
	
	@Resource
	MemberLevelDao memberLevelDao;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<MemberEntity> page = this.page(
                new Query<MemberEntity>().getPage(params),
                new QueryWrapper<MemberEntity>()
        );

        return new PageUtils(page);
    }
	
	@Override
	public void register(MemberRegisterVo vo) {
		MemberEntity memberEntity = new MemberEntity();
		MemberLevelEntity levelEntity = memberLevelDao.getDefaultLevel();
		
		// 设置会员等级
		memberEntity.setLevelId(levelEntity.getId());
		
		// 检查用户名和手机号是否唯一
		checkPhoneUnique(vo.getPhone());
		checkUserNameUnique(vo.getUserName());
		
		memberEntity.setMobile(vo.getPhone());
		memberEntity.setUsername(vo.getUserName());
		memberEntity.setNickname(vo.getUserName());
		memberEntity.setCreateTime(new Date());
		
		// 密码加密
		BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
		String encode = passwordEncoder.encode(vo.getPassword());
		memberEntity.setPassword(encode);
		baseMapper.insert(memberEntity);
	}
	
	@Override
	public void checkPhoneUnique(String phone) throws PhoneExistException {
		Integer count = baseMapper.selectCount(new QueryWrapper<MemberEntity>().eq("mobile", phone));
		if (count > 0) {
			throw new PhoneExistException();
		}
	}
	
	@Override
	public void checkUserNameUnique(String userName) throws UserNameExistException {
		Integer count = baseMapper.selectCount(new QueryWrapper<MemberEntity>().eq("username", userName));
		if (count > 0){
			throw new UserNameExistException();
		}
	}
	
	@Override
	public MemberEntity login(MemberLoginVo vo) {
		String loginacct = vo.getLoginacct();
		String password = vo.getPassword();
		//去数据库查询
		MemberDao memberDao = this.baseMapper;
		MemberEntity memberEntity = memberDao.selectOne(new QueryWrapper<MemberEntity>().eq("username", loginacct).or().eq("mobile", loginacct));
		if (memberEntity == null){
			//登录失败
			return null;
		}else {
			//1、获取到数据库的password
			String passwordDB = memberEntity.getPassword();
			BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
			//2、密码匹配
			boolean matches = passwordEncoder.matches(password, passwordDB);
			if (matches){
				return memberEntity;
			}else {
				return null;
			}
		}
	}
	
	@Override
	public MemberEntity login(SocialUser socialUser) throws Exception {
		//具有登录和注册逻辑
		String uid = socialUser.getUid();
		
		//1、判断当前社交用户是否已经登录过系统
		MemberEntity memberEntity = this.baseMapper.selectOne(new QueryWrapper<MemberEntity>().eq("social_uid", uid));
		
		if (memberEntity != null) {
			//这个用户已经注册过
			//更新用户的访问令牌的时间和access_token
			MemberEntity update = new MemberEntity();
			update.setId(memberEntity.getId());
			update.setAccessToken(socialUser.getAccess_token());
			update.setExpiresIn(socialUser.getExpires_in());
			this.baseMapper.updateById(update);
			
			memberEntity.setAccessToken(socialUser.getAccess_token());
			memberEntity.setExpiresIn(socialUser.getExpires_in());
			return memberEntity;
		} else {
			//2、没有查到当前社交用户对应的记录我们就需要注册一个
			MemberEntity register = new MemberEntity();
			//3、查询当前社交用户的社交账号信息（昵称、性别等）
			Map<String,String> query = new HashMap<>();
			query.put("access_token",socialUser.getAccess_token());
			query.put("uid",socialUser.getUid());
			HttpResponse response = HttpUtils.doGet("https://api.weibo.com", "/2/users/show.json", "get", new HashMap<String, String>(), query);
			
			if (response.getStatusLine().getStatusCode() == 200) {
				//查询成功
				String json = EntityUtils.toString(response.getEntity());
				JSONObject jsonObject = JSON.parseObject(json);
				String name = jsonObject.getString("name");
				String gender = jsonObject.getString("gender");
				String profileImageUrl = jsonObject.getString("profile_image_url");
				
				register.setNickname(name);
				register.setGender("m".equals(gender)?1:0); // 微博返回的是 m
				register.setHeader(profileImageUrl);
				register.setCreateTime(new Date());
				register.setSocialUid(socialUser.getUid());
				register.setAccessToken(socialUser.getAccess_token());
				register.setExpiresIn(socialUser.getExpires_in());
				
				//把用户信息插入到数据库中
				this.baseMapper.insert(register);
				
			}
			return register;
		}
	}
	
}